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Natural hybridization method for early bud extraction of female parents of bananas

A hybrid method and technology of female parent, applied in horticultural methods, botanical equipment and methods, plant genetic improvement, etc., can solve the problems of complex artificial hybrid pollination procedures, high labor intensity of hybrid breeding, and many uncertain factors, etc. The effect of shortening the breeding process, saving labor, and increasing the chance of pollination

Active Publication Date: 2019-06-25
广西壮族自治区农业科学院生物技术研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the crossbreeding of bananas has the following difficulties: (1) The flowering period of the parents is not met, and the artificial cross pollination procedure is complicated when crossbreeding between different varieties; (2) The breeding time is long, and there are many external uncertain factors, which make breeding difficult (3) Banana plants are tall, hybrid breeding is labor-intensive and costly, and it is difficult to promote in a large area

Method used

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  • Natural hybridization method for early bud extraction of female parents of bananas
  • Natural hybridization method for early bud extraction of female parents of bananas
  • Natural hybridization method for early bud extraction of female parents of bananas

Examples

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Effect test

Embodiment 1

[0032] Embodiment 1. a kind of banana natural hybridization method that female parent draws bud early, comprises the steps:

[0033] (1) Select banana female parent and male parent materials for interplanting: select a single-variety female parent "Jinfen No. 1" banana garden planted in a row, and plant wild banana male parent materials in alternate rows in the garden. The wild banana male parent material is the wild banana germplasm collected in Rong County, Yulin City, Guangxi Zhuang Autonomous Region.

[0034] (2) Ultra-dense planting of male parent materials: the row spacing between plants is 1.4m×1.5m, and the planting density is about 300 plants per mu, which increases the amount of pollen and improves the probability of pollination.

[0035] (3) Dwarfing of female parent material and adjustment of flowering period: Spray paclobutrazol on female parent and cooperate with field management to reduce plant height and advance budding period. The active ingredient weight con...

Embodiment 2

[0042] Embodiment 2 A method for natural hybridization of bananas with early budding of the female parent, comprising the steps of:

[0043] (1) Select banana female parent and male parent materials for interplanting: select a single-variety female parent "Jinfen No. 1" banana garden planted in a row, and plant wild banana male parent materials in alternate rows in the garden. The wild banana male parent material is the wild banana germplasm collected in Rong County, Yulin City, Guangxi Zhuang Autonomous Region.

[0044] (2) Ultra-dense planting of male parent materials: the row spacing between plants is 1.6m×1.7m, and the planting density is about 250 plants per mu, which increases the amount of pollen and improves the probability of pollination.

[0045] (3) Dwarfing of female parent material and adjustment of flowering period: Spray paclobutrazol on female parent and cooperate with field management to reduce plant height and advance budding period. The active ingredient we...

Embodiment 3

[0052] Embodiment 3. a kind of banana natural hybridization method that female parent budding ahead of schedule comprises the steps:

[0053] (1) Select banana female parent and male parent materials for interplanting: select a single-variety female parent "Jinfen No. 1" banana garden planted in a row, and plant wild banana male parent materials in alternate rows in the garden. The wild banana male parent material is the wild banana germplasm collected in Rong County, Yulin City, Guangxi Zhuang Autonomous Region.

[0054] (2) Super-dense planting of male parent materials: the row spacing between plants is 1.5m×1.6m, and the planting density per mu is about 278 plants, which increases the amount of pollen and improves the probability of pollination.

[0055] (3) Dwarfing of female parent material and adjustment of flowering period: Spray paclobutrazol on female parent and cooperate with field management to reduce plant height and advance budding period. The active ingredient w...

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Abstract

The invention discloses a natural hybridization method for early bud extraction of female parents of bananas. The method comprises the steps of (1) selection of a female parent material and male parent material of bananas for interplanting; (2) super-dense planting of the male parent material; (3) dwarfing of the female parent material and adjustment of the flowering period; (4) dense planting ofthe female parent material; (5) releasing of bees for pollination; (6) thinning of flowers and fruits of the male parent material; (7) bud cutting and leaf nursing of the female parents; (8) bud suction for reserving plants; (9) strengthening of field management. By means of the method, the parent materials are naturally pollinated and hybridized, and when female parent banana fruits are mature oralmost mature, hybrid seeds are collected. The method simplifies the procedures of a method for artificial cross pollination among different varieties, shortens the breeding process, reduces the labor intensity of seed production, saves labor and lowers the production cost, and the purity of produced seeds is high. By means of the natural banana hybridization method, hybrid seed production in a large area can be conducted, and the natural banana hybridization method is easy to popularize.

Description

technical field [0001] The invention relates to the technical field of plant cross-breeding, in particular to a method for natural hybridization of bananas in which the female parent buds early. Background technique [0002] Hybrid breeding is one of the important ways to create new varieties of crops. Through hybridization, the beneficial characteristics accumulated by long-term natural selection between species are recombined to further enrich the genetic diversity of species. Edible bananas are generally triploid and have a high degree of sterility. Hybrid incompatibility and hybrid fertility barriers exist in varying degrees in the development of banana hybrid breeding. Therefore, this work is difficult and progresses slowly. At present, there are very few literature reports on banana hybrid breeding work, some basic issues are still unclear, and there is a lack of valuable references. [0003] At present, the crossbreeding of bananas has the following difficulties: (1)...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04A01G7/06
Inventor 武鹏赵明何海旺龙芳绉瑜
Owner 广西壮族自治区农业科学院生物技术研究所
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